How to create a button which shows small text popup

Site URL: http://mozerisfineantiques.com

I would like to add to my home page similiar to what is on this website

www.xupes.com

There are these little buttons when clicked display a small text pop-up.#

Please see screenshot, how can I code this in?

Thank you.

Hi,

To make this, you can use Lightbox Plugin

Quote

(The answer contains an affiliate link, which means I will receive a small commission if you click and buy the plugin according to the link above.)